public class Test_8_13 {

    //牛客网：NC107 寻找峰值
    public int findPeakElement (int[] nums) {
        int left = 0;
        int right = nums.length - 1;
        int mid = (left + right) / 2;
        while(left < right) {
            if(nums[mid] > nums[mid+1]) {
                right = mid;
            }else {
                left = mid + 1;
            }
            mid = (left + right) / 2;
        }
        return right;
    }
}
